@article{VTAMU_2018_23_123_a11,
     author = {A. M. Kotyukov and M. M. Kotyukov},
     title = {Necessary optimality conditions for optimal control problem with second order equation},
     journal = {Vestnik rossijskih universitetov. Matematika},
     pages = {437--440},
     publisher = {mathdoc},
     volume = {23},
     number = {123},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VTAMU_2018_23_123_a11/}
}